name of the property to look up
pointer to a GObject that takes the real object to set property on. out[allow-none][transfer full]
pointer to take the GParamSpec describing the property. out[allow-none][transfer none]
TRUE if target and pspec could be found. FALSE otherwise. In that case the values for pspec and target are not modified. Unref target after usage. For plain GObjects target is the same as object.
Looks up which object and GParamSpec would be effected by the given name. MT safe.